easy way to cook healthy Rubree

INGRDIENTS
1)pure milk=1 kg
2)bottle gourd=1/2(500gm)grated
3)cardamom(crushed)=1teaspoon
FOR GARNISH
1)PISTA very fine choped or crushed
2)almonds very fine chopped or crushed
METHOD
IN A pan or cadhai put milk and grated bottle gourd together, keep on the fire,when its boil slow the gas and wait, when its quantity is reduced to half ,switch off the gas and wait till it cools, then use the hand blender or mixer and put in the serving dish garnish with pista and almonds and keep in the freezer till chilled. serve chilled.
its very yummy and nourishing.